Lock and latch mechanism.



W. H. THOMAS. LOCK AND LATCH MECHANISM. APPLICATION mum D20. 23, 1907.

Patented July 27, 1909.

m m WT m JW 5 d w w W w J 15 other side of the door; and in which lock the 35 the latch bolt is free to .UN1TED STATES PATENT oFFIoE.

WILLIAM H. THoM'As, or WHITTIER, CALIFORNIA.

LOCK 'ANED LATCH MECHANISM.

Specification of Letters Patent.

No.929,637. Patented July 27, 1909.

Original application filed June 28, 1907, Serial No.'381,350.' Divided and this application filed December 28, 1907.

Serial No. 407,870.

1 until the unlocking of the dead-bolt takes place.

The accompanying drawings illustrate the invention.

Figure 1 is a view of thelock from the inner side thereof, a plate of the case being omitted to show the mechanism of the lock, the parts of which are here shown in locked position. Fig. 2 is a similar view showing all of the parts of the lock in unlocked position. The unlatching position of the latchbolt and hub-lever is indicated in dotted lines. Fig. 3 is a sectional view on line indi- To all whom it may concern:

Be it known that I, z ILLIAM H. THOMAS, a citizen of the United States, residing at Whittier, in the county of Los Angeles and State of California, have'invented new and useful Improvements in Lock and Latch Mechanism, of whi h the following is a speci fication. This invention relates to alock in which a latch-bolt is operable by on or more door knobs and keys and a dead-:bolt is operableby a key accessible from one side of the door; and in which said key is operable through the .medium of a cylinder-lock by a key on the placein a door, the outside key being shown withdrawn. Fig. 4 is a detached perspective view of the inner key. Fig. 5 is a detached erspective viewlooking at the opposite en( of the key shown in Fig. 4.

. 1 designates an ordinary mortise lock case. 2 designates the barrel of a cylinder lock, the same being provided with tumblers 3 to "engage the cylinder 4 of the cylinder-lock.

' latch-bolt as well as the dead-bolt may'be locked at one and the same time, and in which a partialrotation of either of said keys will e.'"ect the unlocking of both of said bolts 3 rrovision being made whereby, whenever the dead-bolt is locked, the latch-bolt is also I locked. i

Objects of the invention are superior convenience and security with a. lock of comp aratively few and simple arts. l Other objects and adi antages may appear lock mechanism, and 6 a key loosely interlocking with the barrel 2 and arranged to opfrom the subjoined detailed descri tion. l erate said mortise lock mechanism, which In The invention com rises 21. loo 1 having the form shown comprises a latch-bolt 7, a alatchboltandadead olt that may unitedly dead-bolt 8, means, as a dog 81, to hold the 'lock a door and will res end to a single key" dead-bolt stationary anda tumbler 9 to operfor simultaneous witln rawal from locking ate the latch-bolt. The key 6 which interosition; and ironiwhich lock the key may looks with the barrel 2 is adapted to operate e withdrawn while the dead bolt is in either the tumbler 9 directly and said dead-bolt 8. the looking or unlocked position, and while 10 is a hub-lever for operating the latchact as a latch bolt for night or day locking, and to respondto the 3 faces 11 and 12. key; and in which the (leadbolt may remain '13 is a dog norm'allyheld by a s ring 14 in in unlocked position while the latch bolt is 1 position to engage the face 11 for ocking the being locked and unlocked by the key, and l hub-lever 10.

the key maybe turned sndlciently to unlock I 15 is the hub for operating thehub-lever the latch-bolt and for withdrawal through 10. The immediate means provided for rethe key-hole without disturbing the un 1 locked dead-bolt; or may be turned fully around in the same direction, thereby throwl mg the dead-bolt into locking position, and l l vidcd with arms 17.

'Ihe tumbler 9 is provided witha face 18 to release the dog 13, and with a face19'1'or directly operating the hub-lever-10-whenever the key 6 is rotated to unlock the dead-bolt S. The block 16 is adapted to be rotated by knobs 20 and 21 mounted on an angular may be withdrawn; and in whi h, when the dead-bolt. is fully thrown into locking posi- 1 tion the latch-bolt will bepositivcly locked against withdrawal from its latching position 5 ima general way indicates the mortisebolt 7, the same being provided with two tating the hub comprises a block 16 procated by :c' -a: Fig. 1, showing the lock in seats 27 and 28 of the escutcheon plates 29 and 30 respectively. Said knobs are provided with angular seats 31 and 32 for rotating the angular spindle 22 which projects therethrough. 33 and 34 designate shouldered sleeves on the angular s indle 22 and which are secured into screw-t readed-sockets 35 and 36 of said knobs.

37 is a cylindrical seatin the hub 15 in which a flange 38 on the outer sleeve 33 retates, said sleeve being held in place in the hub by an ofi'set or shoulder. 39.

The block 16 is seated in the hub 15 and is adapted to rotate the hub by means of the arms 17 seated in the-hub at 37. The spindie 22 rotates the hub through means of the block 16 which has an angular perforation 40 through which the spindle extends.

The inner key 6 has a stem 41 extending through acap 42 of the cylinder that is screwed onto a portion 43 of the main body 44 of the cylinder 4 of the lock, andis rovided on the end with a knob 45 fastened by a screw 46. Said inner key is provided with .an enlarged base 47 mounted in a bearing 7) inthe cylinder and having two slots 48 and 49 which respectively accommodate two pins 50 and 51 in the endof the barrel 2. Those slots are semicircular and the pins 50 and-'31 serve to communicate the rotation of the barrel 2 to the key 6 whenever said barrel is sufficiently rotated by the outside key 53; and the arrangement of the slots and pins is such that a complete revolution of the barrel may be had in the operation of turning the web 54 of the key from one stop 55 to the other sto 56, that limit the inner key 6 to a half-revo ution. j'

57 is a spring between the cap 42 and the shoulder 58 of the inner key-stem to hold the inner key resiliently pressed against the end of the barrel.

In practical use, the inner key may be retated by the knob 45, therebythrowing the tumbler 9 which thereupon lirst engages the dog13 and starts it from the path of the hublever, and then while the dog is thus being moved out of the way of the hub-lever the tumbler engages the hub-lever to draw back the latch-bolt 7. At the same time the web of the key withr'traws the dead-bolt S, which 640 in its locked position is held by the tumbler 9 in the usual manner, but is released when said tumbler 9 is moved by the web olthe inner koy in the unlocking operation. By the construction shown, the hub, the latch-bolt .eit er'direction.

and the dead-bolt are all simultaneously unlocked, thus releasing the knobs on the half rotation of the inner key. The dead-bolt is provided with a rearward extension 59 that engages the dog 13 and holds it out offthe.

is drawn.

Whenever the dead-bolt 8 is in locked po sition, the do; 13 is held by the spring 14 in position to lock the hub-lever 10, and con se uently the knobs can not be turned in VVl'ienever the dead-bolt is unlocked, the latch-bolt can be withdrawn by simply turning the knobs. When the lock is operated by the key 53,

one complete continuous revolution of the barrel in one direction will turn the Web of the key hall a revolution, thus simultaneously either looking or unlocking the deadbolt, latch-bolt, and hub, and consequently the knobs, thus allowing the key to be removed ,l'rom the barrel whether the door is locked or unlocked, and leaving the barrel in the same position in bothconditions ol' the lock. i

Referring to Fig. 2 it will be noted that the dead-bolt is in unlocked position and'the latch-bolt is in locking position, and that the web 54 of the key is in such position that it may be turnedupward to, the left in the direction of the arrow thereon, and will, when so turned, first engage the tumbler 9 and move it on its pivot 60 and swing it upward in the direction of the arrow thereon, thus moving the hub-lever l0 and the hitch-bolt draw the latch bolt, and also to allow the key to be withdrawn from the key-holc-(il without disturbing the dead bolt. The full movement for withdrawing the latch-bolt is accomplished in about one-eighth of a turn.

of the key-web 54, thus allowing the door to be opened, whereupon the key 53 may be brought into line with its key-hole 61 in the barrel and withdrawn from the lock. l, in stead of withdrawing the key at this juncture, the key is rotated a full revolution, it will, at the, close of such revolution again keyhole. 61 buttgyill leave both ofthebolts in locked position sinwn in Fig. 1.

No claim is made herein cylinder and mortise lock case shown for the reason that the same is the subjE-et' matter of a copemling' application, Serial No. .iSLS-lSO, 'liled June 28, 1907.

1'. in a lock, it bin-rel, mortise, lock mechnnism, and a key loosely interlocking'with the barrel and rotatable relative thereto while interlocked and arranged to operate said morlise lock mechanism.

to the combined- 7 In the direction of the pin thereon to witheome into position to be withdrawn from said 2. In a lock, a hitch bolt, a-dcad bolt, a

i the latch belt, a dog for tumbler to operate the latch bolt, barrel, a ke interlockingwith the barrel and rotatable re etive thereto while interlocked and adapt ed to operate said tumbler and said dead bolt.

3. A latch bolt, a hub lever for operating locking the hub lever, a hub for operating the hub lever,means for rotating the hub, a tumbler for releasing the dog and operating the hub lever, a dead bolt, a. barrel, and a key interlocking with the barrel and adapted to operate the tumbler and the dead bolt.

4. A lock comprising a latch bolt, a hub lever pivoted thereto, a dog to lock the hub lever, a spring to hold said dog in locking position and a dead bolt arranged to hold the dog out of locking position. i

.5. A lock comprising a latch bolt, a dead bolt, means to hold the tlQt.(ll,()lt stationary, a key to operate said means and the dead bolt, a pivoted member independent ol' the dead-bolt and operable by said key directly, and means operable directly by said member and connected with the latch bolt to with draw-the same from latching position upon operation of said member by a limited move ment of said key without releasing said holding means or disturbing the dead bolt l'rom unlocked position.

6. A lock comprising a latch bolt and a dead bolt, a key provided with a web to operate said dead bolt, means operable by said web to withdraw the latch bolt from latching position, a cylinder-lock to guard said key, and a removable key to unlock said cylinderlock and to turn said first-named key.

7. A lock comprising a latch bolt and av dead bolt, a key in said lock adapted to make practically a lull revolution therein, means operable by said key to withdraw the latch bolt from latching position, stops to limit the revolution of said ke in one and the othcrdirection, a cylinderock to guard said key and a removable key to operate said firstnamed key. i

8; A lock comprising a latch bolt and a dead bolt, a dog to lock the latch bolt in latching position, a key for the dead bolt, and means 0 )erable by said ke to withdraw the latch-bolt, said dead bolt icing adapted to hold said dog inoperative when the dead bolt is in unlocked position.

9. A lock comprising a latch bolt, a hub to operate the latch bolt, a. dead bolt, means for locking the hub, the dead bolt and latch bolt, and means for simultaneously unlocking said hub and withdrawing both bolts.

10. A lock comprising a latch belt, a knob l'or operating the latch bolt, a dead bolt, means for locking the knob, the latch bolt and dead bolt, and a key adapted to lock said knob, latch bolt and dead bolt by a continuous turn in one direction and to unlock the knob and withdraw both bolts by a continuous movement in the other direction.

11. .L lock irovided with a dead bolt and a latch bolt, a do" to lock the latch bolt, and a tumbler operab e by a key to move said dog out of locking position and to withdraw said latch bolt.

12. 1' lock comprising a latch bolt, a dead. bolt, a key to operate the dead bolt, a pivoted member independent of the dead bolt and directly operable by said key, and means directly operable by said member and connected with the latch bolt to withdraw the same from latching position without dis turbing the dead bolt from unlocked position.

13. A lock comprising a latch bolt and a dead belt, a key provided with a web to operate said dead bolt, a hub-lever to operate the latch-bolt and means inde iendent of the dead boltand directly operable by said web and arranged to engage said hub-lever to withdraw the latch bolt from latching position.

14. A lock comprising a latch bolt and a dead belt, a key provided with a web to opcrate said dead bolt, means independent of the deadbolt and operable by said web to withdraw the latch bolt from latching posi tion, and a removable key to turn said firstnamed key. V

15. A lock comprising a latch bolt and a dead bolt, a key in said lock adapted to make practically a lull revolution therein, means independent of the dead bolt and operable by said key to withdraw the latch bolt 'l'rom latching position, stops to limitjthe revolution of said key in one and the other direction, and a removable key to operate said first-named key.

16. A lock cylinder, a barrel therein, a cap for the cylinder, and a key loosely interlocking with the barrel and extending through the cap, said key being adapted to rotate the barrel a partial rotation and also adapted to rotate a partial rotation independently of the barrel.

17. A lock cylinder, a barrel therein, a cap for the cylinder, at key interlocking with the barrel'and having a stem extending through the cap, and a spring to hold the. key in interlocking position.

18. In a lock, a. barrel provided at one end with two projecting pins, and a key provided with two semicircular slots for interlocking with said pins.

19. In a lock, a case having a hole forming a semicircular bearing, a cylinder having a cular portion between said semicircular bearings.

20. n a lock, a case having a hole forming a semicircular bearing, a cylinder having a segmental portion in said hole and provided with a semicircular bearing corresponding to that in the case, a barrel in said cylinder, a cap for said cylinder, a key in said cylinder interlocking with said barrel and having a stem extending through said cap and a circular portion between said semicircular bearings, and yielding means to press said key toward said barrel. I

21 In a lock, a case having a hole forming a semicircular bearing, a cylinder having a segmental portion in said hole and provided with a semicircular bearing corresponding to that in the case, a barrel in said cylinder, a cap for said. cylinder, a key in said cylinder interlocking with said barrel and having a stem extending through said cap, and a circular portion between said semicircular bearings, and a spring to press said key-toward said barrel and to form a positive stop to prevent Withdrawal of the key from interlocking position.

22. A lock provided with a dead bolt, a

.& 929,637

latch bolt, and means for operating the dead bolt and latch bolt said means comprising a key and a cylinder lock, said cylinder lock interlocking With said-key for operating the same. I

23. The combination with a bolt of a key to operate the same, a cylinder lock to operate'the key and a spring to yieldingly hold {Jhel key toward the cylinder of the cylinder 24. A lock provided with a dead bolt, a

latch bolt, and means for operating the dead bolt and latch bolt, said means comprising a" key and a cylinder lock, said cylinder lock interlocking with said;- ,key and operabie thereby. I n

25. A look cylinder l -arrel'therein, a cap for the cylinder and'arkey interlocking with the barrel and extending through the cap. In testimony whereof, I have hereunto set my hand at Los Angeles California, this 16th day of December I 907. Y

W. H. TIIQIWAS.

In presence of i I I JAMES R. TowNsEND, W. A. RUSSELL. 

